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Structure of the N-terminal domain of the E. coli antitoxin MqsA (YgiT/b3021) in complex with the E. coli toxin MqsR (YgiU/b3022)
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 5.6 277 0.1M Bis Tris, 25% PEG 3350, pH 5.6, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 2.43 49.37
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 63.234 α = 90 b = 63.234 β = 90 c = 194.886 γ = 90
Symmetry Space Group P 41 21 2
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 CCD ADSC QUANTUM 270 TOROIDAL FOCUSING MIRROR 2009-04-10 M MAD 2 1 x-ray 100 CCD ADSC QUANTUM 270 TOROIDAL FOCUSING MIRROR 2009-04-10 M MAD 3 1 x-ray 100 CCD ADSC QUANTUM 270 TOROIDAL FOCUSING MIRROR 2009-04-10 M MAD 1,2,3 1
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X6A NSLS X6A 2 SYNCHROTRON NSLS BEAMLINE X6A NSLS X6A 3 SYNCHROTRON NSLS BEAMLINE X6A NSLS X6A
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Sym I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot 1,2,3 2 50 95.8 0.058 35.99 12.5 26665 27.9
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1,2,3 2 2.03 98 0.365 8.56 11.6
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MAD THROUGHOUT 2 40.64 25311 25311 1337 96 0.207 0.205 0.2253 0.248 0.2659 RANDOM 12.98
Temperature Factor Modeling Anisotropic B[1][1] Anisotropic B[1][2] Anisotropic B[1][3] Anisotropic B[2][2] Anisotropic B[2][3] Anisotropic B[3][3] -0.15 -0.15 0.29
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 33.355 r_dihedral_angle_3_deg 14.171 r_dihedral_angle_4_deg 11.45 r_scangle_it 6.366 r_dihedral_angle_1_deg 5.796 r_scbond_it 4.388 r_mcangle_it 2.646 r_mcbond_it 1.604 r_angle_refined_deg 1.338 r_angle_other_deg 0.884
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 33.355 r_dihedral_angle_3_deg 14.171 r_dihedral_angle_4_deg 11.45 r_scangle_it 6.366 r_dihedral_angle_1_deg 5.796 r_scbond_it 4.388 r_mcangle_it 2.646 r_mcbond_it 1.604 r_angle_refined_deg 1.338 r_angle_other_deg 0.884 r_mcbond_other 0.611 r_chiral_restr 0.082 r_bond_refined_d 0.013 r_gen_planes_refined 0.005 r_bond_other_d 0.001 r_gen_planes_other 0.001 r_nbd_refined r_nbd_other r_nbtor_refined r_nbtor_other r_xyhbond_nbd_refined r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_other r_symmetry_vdw_refined r_symmetry_vdw_other r_symmetry_hbond_refined r_symmetry_hbond_other r_symmetry_metal_ion_refined r_symmetry_metal_ion_other r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2468 Nucleic Acid Atoms Solvent Atoms 195 Heterogen Atoms 14
Software Software Software Name Purpose HKL-2000 data collection SOLVE phasing REFMAC refinement HKL-2000 data reduction HKL-2000 data scaling